Through the analyses and comparisons on the characteristics and test strength for the cement mixing pile core sample taken by the sample devices of double tube double swivel barrel and the traditional double tube single swivel barrel,it is considered that the traditional double tube single swivel barrel is more suitable to the sample survey of cement mixing pile.
通过对双管双动岩芯管和常规的双管单动岩芯管两种取芯设备所抽取的水泥搅拌桩芯样特征及试验强度等进行分析对比 ,认为采用双管单动岩芯管进行水泥搅拌桩取芯检测比较合适。
Through the analyses and comparisons on the characteristics and test strength for the cement mixing pile core sample taken by the sample devices of double tube double swivel barrel and the traditional double tube single swivel barrel,it is considered that the traditional double tube single swivel barrel is more suitable to the sample survey of cement mixing pile.
通过对双管双动岩芯管和常规的双管单动岩芯管两种取芯设备所抽取的水泥搅拌桩芯样特征及试验强度等进行分析对比 ,认为采用双管单动岩芯管进行水泥搅拌桩取芯检测比较合适。
Study on the Determination of Formation Invasion and Damage Depth by Long Core Experiments;
长岩芯实验确定地层侵入深度和污染深度的研究
Measurement of the Surface Rayleigh-Wave Rate of the Oil-drill-core by Laser;
岩芯表面瑞利波速率的激光测试方法
The core pellet is placed in a chamber.
把岩芯放在容器中。
The middle core was loaded.
中间那块岩芯曾加载。
The Comparative Analysis of Diagenesis of Outcrop Sandstones and Core Sandstones in Chengzihe Formation、Muling Formation, Jixi Basin
鸡西盆地城子河组、穆棱组露头砂岩与岩芯砂岩成岩作用比较分析
ACOUSTIC RESPONSES TO ROCK CORE UNLOADING-DISTURBANCE AND UNLOADING-SENSITIVE ROCK MASS
岩芯卸荷扰动的声学反应与卸荷敏感岩体
Two methods are used to evaluate the permeability of cores.
有两种方法可用来测量岩芯的渗透率。
Analysis of Microparticles in Ice Cores: An Indicator of Past Environments
冰岩芯微粒分析:古环境的一种标志
Experimental Study on Acoustic Responsiveness to Rock Core Unloading Disturbance
岩芯卸荷扰动的声学敏感性试验研究
The Multi-functions of Micro-bubble Drilling Fluid for Core Drilling
微泡钻井液在岩芯钻探中的多重功效
granit is S-type and its evolution sequence might begranomonzonite → muscovite-granite(outcrop) → feldspar-granit →muscovite-granite(core);
花岗岩演化顺序可能为二长花岗岩→露头白云母花岗岩→钾长花岗岩→白云母花岗岩芯。
Petrological and mineralogical examinations of core material can be used to identify hydrothermal alterations.
岩芯的岩石学和矿物学研究也能用来鉴定水热蚀变。
The second method uses full-diameter core samples in length of 1-1.5 ft.
第二种方法是利用外径为1-1.5英尺岩芯样品。
Major elemental compositions and paleoenvironmental changes of the core sediments in the southern Yellow Sea
南黄海中部沉积物岩芯常量元素组成与古环境
Management System of Geological Prospecting Bore Rock Core Information Multimedia Database
地质勘查钻孔岩芯信息多媒体数据库管理系统
Oil Core Porosity Measurement Using Technology of Computerized Tomography
计算机层析技术用于石油岩芯的孔隙度测量
THE FRACTURE MECHANISM OF DISCAL DRILL CORE AND ITS INFLUENCE ON CHARACTERISTIC OF ENGINEERING GEOLOGY
岩芯饼裂机制及其对工程地质特性影响的分析
Thermoluminescence and Paleoclimatic Change of Sedimentary Cores in the Northeast Indian Ocean;
东北印度洋沉积岩芯热释光与古气候演变研究
Diatoms and Their Palaeoenvironments from the Cores of Xijiang Delta in China;
西江三角洲岩芯中的硅藻及其记录的古环境
Study on Structure Optimization of the Derrick of JYD-1000 All-hydraulic Core Drilling Rig;
JYD-1000型全液压岩芯钻机钻塔结构优化研究